noun
positive plate; anode plate
Technical term used in electronics and electrochemistry for the positive electrode plate in devices such as batteries, electrolytic cells, or vacuum tubes.
バッテリーの陽極板が劣化している。
The battery's positive plate has deteriorated.
陽極板の素材には鉛合金が使われることが多い。
Lead alloys are often used for the material of the anode plate.
陽極 is the general term for anode or positive electrode, while 陽極板 specifically refers to the plate-shaped component.
Compound of 陽極 (anode) + 板 (plate). The exact historical derivation is uncertain, but the term follows standard technical word formation patterns.